16084861 has 4 divisors (see below), whose sum is σ = 17322172. Its totient is φ = 14847552.

The previous prime is 16084847. The next prime is 16084867. The reversal of 16084861 is 16848061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16848061 = 37 ⋅455353.

It can be written as a sum of positive squares in 2 ways, for example, as 2579236 + 13505625 = 1606^2 + 3675^2 .

It is a cyclic number.

It is not a de Polignac number, because 16084861 - 2⁹ = 16084349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16084867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618636 + ... + 618661.

It is an arithmetic number, because the mean of its divisors is an integer number (4330543).

Almost surely, 2^16084861 is an apocalyptic number.

It is an amenable number.

16084861 is a deficient number, since it is larger than the sum of its proper divisors (1237311).

16084861 is a wasteful number, since it uses less digits than its factorization.

16084861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237310.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 16084861 is about 4010.5935969629. The cubic root of 16084861 is about 252.4289170231.

The spelling of 16084861 in words is "sixteen million, eighty-four thousand, eight hundred sixty-one".